David John Isaac - 24 Oct 2021 Form 4 Insider Report for Cactus, Inc. (WHD)

Role: GC and VP of Administration
Signature: /s/ David Isaac
Issuer symbol: WHD
Transactions as of: 24 Oct 2021
Net transactions value: -$53,581
Form type: 4
Filing time: 25 Oct 2021, 19:19:12 UTC
Next filing: 08 Mar 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	WHD	Class A Common Stock	Options Exercise		+3,039	+24%		15,918	24 Oct 2021	Direct	F1
transaction	WHD	Class A Common Stock	Tax liability	$53,581	-1,196	-7.5%	$44.80	14,722	24 Oct 2021	Direct	F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	WHD	Restricted Stock Units	Options Exercise	$0	-3,039	-9.4%	$0.000000	29,272	24 Oct 2021	Class A Common Stock	3,039		Direct	F1, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Restricted stock units represent a contingent right to receive Class A common stock. Upon vesting, one share of Class A common stock will be delivered for each vested restricted stock unit.
F2	Represents shares withheld by the Company to satisfy tax withholding obligations upon the vesting of previously granted restricted stock units.
F3	On October 24, 2018, the reporting person was granted 9,116 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date.